20
NXW REVERSIBLE CHILLER INSTALLATION MANUAL
Field Wiring and Control Setup cont.
Accessory Relay Setup
The accessory output set to “close” upon Y1 compressor call (compressor is delayed 90 sec. after Y1) but can be set to
“open” with Y1.
To change ACC1 or ACC2: (ACC1 shown)
On FX10 control using the left and right arrow keys, scroll to “PASSWORD” menu (password “5667”)
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Once you have entered the password scroll to “MAINT” menu.
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Using up and down keys, scroll to “Acc 1 Sel” hit “ENTER” and “ON Comp” begins flashing
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Using up and down keys, select “ON Comp” for actuation with Y1 Call or “OFF Comp” for deactivation with Y1
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Lead/Lag Selection
Compressor Lead/Lag Selection is factory set to “OFF” but can be set to “ON”.
To change Lead/Lag On/Off:
On FX10 control using the left and right arrow keys, scroll to “PASSWORD” menu (password “5667”)
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Once you have entered the password scroll to “MAINT” menu
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Using up and down keys, scroll to “LEAD/LAG SELECT” hit “ENTER” and “OFF” begins flashing
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Using up and down keys, select “ON” for activation or “ OFF” for deactivation
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Lead/Lag Time - Runtime in Hours
Compressor Lead/Lag Time is factory set “100” hours but can be set from 1 to 100 hours.
To change Lead/Lag Time:
On FX10 control using the left and right arrow keys, scroll to “PASSWORD” menu (password “5667”)
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Once you have entered the password scroll to “MAINT” menu.
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Using up and down keys, scroll to “LEAD/LAG TIME” hit “ENTER” and “LEAD/LAG TIME begins flashing
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Using up and down keys, select 1 - 100 HOURS.
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°F or °C - Unit of Measure
Degrees Fahrenheit is factory set, however degrees Celsius can be selected using the following procedure:
To Change Unit of Measure:
On FX10 control using up and down keys, scroll to “SETTINGS”
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Using up and down keys, scroll to “UNIT OF MEASURE” hit “ENTER” and “UNIT OF MEASURE” begins flashing
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Using up and down keys, select “F” for degrees Fahrenheit or “C” for degrees Celsius
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Other Field Options
Other field selectable options are available as shown in the maintenance menu on page 20 of the FX10 control using a
similar procedure as shown in the above examples. These would include thermostat enabling, and emergency shutdown.
See page 20 for details.
DDC Operation & Connection
Consult AGFX10 Manual for application details.